Question

Evaluate and simplify the expression when c=1 and d=3

Answer 1

Explanation:

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Answer 2

The answer is 32

Explanation:

3( 2c + d) - 4( c - d) + d²

when c = 1 and d = 3

Substitute the values of c and d into the above expression and solve

We have

3 [ 2(1) + 3 ] - 4 ( 1 - 3) + 3²

Solve the terms in the bracket first

➢ 3( 2 + 3) - 4( - 2) + 9

➢ 3( 5) + 8 + 9

Simplify

➢ 15 + 8 + 9

➢ 15 + 17

We have the final answer as

32

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